unidata

upgraded because it has been phased out by history.Now (2016-5-17) iOS has evolved to IS09, older devices can be upgraded to the new system.Table of correspondence between three character sets and Unicode:Http://www.unicode.org/Public/UNIDATA/EmojiSources.txtPHP tools for converting between three character sets and Unicode:Https://github.com/iamcal/php-emojiEmoji the relationship between the Unicode encoding and the UTF8 storage code:Http://punchdrun

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The range of Unicode codes in Chinese is 4e00-9fa5. English and ASC code compatibility, but the high byte is 0x00 low byte = ASCII 1) Standard CJK text Http://www.unicode.org/Public/UNIDATA/Unihan.html Code point range block Name ReleaseU + 3400 .. u + 4db5 CJK uniied ideographs extension a 3.0U + 4e00 .. u + 9fa5 CJK uniied ideographs 1.1U + 9fa6 .. u + 9fbb CJK uniied ideographs 4.1U + f900.. U + fa2d CJK compatibility ideographs 1.1U + fa30.. U +

The expression encoding and decoding problem that was encountered while doing the barrageEmoticons are generally encoded using Unicode encoding, followed by the encoded format \ud83d\ude18\ud83d\ude18world\u4e16\u754chaha\ud83d\ude17 //CodingNSString *unistr =[NSString Stringwithutf8string:[_barragetext.text utf8string]; NSData*unidata =[Unistr datausingencoding:nsnonlossyasciistringencoding]; NSString*goodstr =[[NSString alloc] Initwithdata:uni

public class Test {public static void Main (string[] args) {String str = "!!??!!!! %*)%￥! KTV to symbol marking!! Of course.!!.. * * Half angle ";System.out.println (str);String str1 = Str.replaceall ("[\\pp\\p{punct}]", "");System.out.println ("str1:" + str1);String str2 = Str.replaceall ("[//pp]", "");System.out.println ("str2:" + str2);String STR3 = Str.replaceall ("[//p{p}]", "");System.out.println ("STR3:" + STR3);}}采用Unicode标点属性方式的正则表达式，可以去掉所有的标点符号，包括全角、半角、横排、竖排等的标点符号。注意一下，如果在JDK5或以下的环境中，全

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as the basis for CJK judgment. 1) Standard CJK text Http://www.unicode.org/Public/UNIDATA/Unihan.html Code Point Range Block name Release U + 3400 .. u + 4db5 CJK uniied ideographs extension 3.0 U + 4e00 .. u + 9fa5 CJK uniied ideographs 1.1 U + 9fa6 .. u + 9fbb CJK

In programming, regular expressions matching Chinese characters are sometimes used, which can be done with [\ u4e00-\ u9fa5] +. However, this regular expression is not suitable for the general Martian birds, and even the full-angle punctuation marks are not included. For example, the name of a player in the game. Ordinary young people generally use Chinese characters. There are several special characters in the Youth League of literature and art, which can be used in the second generation of Mar

character attributes of the Unicode Character Set: punctuation. The other six are L: letter;M: Mark the symbol (generally it will not appear separately );Z: delimiter (for example, space, line feed, etc );S: Symbols (such as mathematical symbols and currency symbols );N: Numbers (such as Arabic numerals and Roman numerals );C: other characters The above seven are attributes, and there are several sub-attributes under the seven attributes for further subdivision. In Java, the Regular Expression

complete unicode4.0 version can be downloaded by the http://www.unicode.org/Public/UNIDATA/Unihan.txt. UTF (UNICODE/UCOS Transformation format), Unicode recommends two formats, UTF-8 and UTF-16, where 8 and 16 refer to the number of bits rather than the number of bytes.UTF-16 is basically Unicode dubyte implementation, coupled with an extended encoding mechanism to meet future needs (rarely used)UTF-8 is an unequal encoding method, english numbers (A

I searched for the Unicode range of Chinese characters on the Internet and generally gave "U + 4e00 .. u + 9fa5 ". But in fact, this range is incomplete, and even the basic fullwidth (Chinese) punctuation is not included. Based on the latest Unicode 5.0 version, sort it out as follows: Note: In most application scenarios, we can use only (1), (2), (3), (4), (5) sets as the basis for CJK judgment. 1) Standard CJK text Http://www.unicode.org/Public/UNIDATA